hot trans temps
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Senior User
Joined: Oct 2005
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From: Mukwonago, WI
hot trans temps
i have a 2000 F-250 Crew cab short box and i installed a set of guages and i found out my tranny is running around 210-225 that seems high to me. one of my friends has the auto enginuity scanner and the coumputer is seeing the tranny temp at 150 i dont know what one to believe i have a set of autometer guages and i also have a hypermax chip that is a big difference in temps. has anyone had this happen?
thanks for the help
thanks for the help
Post Fiend
Joined: Jul 2005
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From: 21791
maybe your temperature probe or wiring is faulty. i would contact the retailer you bought them from, usually they will be happy to fix it, especially if you are a repeat and future buyer.
i'm not too sure with the workings of them, because i just got mine yesterday and have yet to install the sender. my guess is that your connection is loose or dirty, or the temperature probe is gone bad. my guess is that this is similar to a broken pyrometer probe, which shows EGT's at an impossible 1800-2000*.
Merry Christmas,
Kris
i'm not too sure with the workings of them, because i just got mine yesterday and have yet to install the sender. my guess is that your connection is loose or dirty, or the temperature probe is gone bad. my guess is that this is similar to a broken pyrometer probe, which shows EGT's at an impossible 1800-2000*.
Merry Christmas,
Kris
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Originally Posted by 00250diesel
i found out my tranny is running around 210-225 that seems high to me.
I don't like the sender in the cooler line because that temp can spike reall high, and there is nothing you can do about it. What matters is the internal temperature of the trans, not what the cooler is seeing. If the cooler is doing it's job the trans won't see those hot temps.
The scanner is reading the sender that the PCM uses. It is on the solenoid body inside the pan.
Postmaster
Joined: Nov 2004
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From: New Hampshire
you should not be running anywhere near those temps if you are empty, even if it is very hot outside... sounds like your guage might be reading wrong... i would second strokin's reccomendation and call the guys you got them from... sounds like you might have a bad temp sender...
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From: Mukwonago, WI
that seemed high to mee too i just dont know how accurate the auto enginuity is. i agree it shouldnt be that hot when the temp outside is in the teens. im just wondering if my bypass valve is stuck open so the fluid doesnt even get to the cooler. the sender is in the test port in the tranny not the line. i ordered the tru cool max from dieselsite and will see if that changes the temps at all, if it doesnt i know i have a faulty guage. im thinking thats what it is because of the couputer seing 150, but i dont know were it gets its reading from. i hope i dont have to take my guages apart because of a bad guage.
merry christmas
-justin
merry christmas
-justin
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From: Utah County, UT
Originally Posted by 00250diesel
that seemed high to mee too i just dont know how accurate the auto enginuity is. i agree it shouldnt be that hot when the temp outside is in the teens. im just wondering if my bypass valve is stuck open so the fluid doesnt even get to the cooler. the sender is in the test port in the tranny not the line. i ordered the tru cool max from dieselsite and will see if that changes the temps at all, if it doesnt i know i have a faulty guage. im thinking thats what it is because of the couputer seing 150, but i dont know were it gets its reading from. i hope i dont have to take my guages apart because of a bad guage.
merry christmas
-justin
merry christmas
-justin
Again Merry Christmas to all, and to all more mods to come....
Thread Starter
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Senior User
Joined: Oct 2005
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From: Mukwonago, WI
how did you install them inline is there enough room? i see those temps on the freeway but closer to 225 around town. dont forget some days it is below zero here and i dont think getting that hot is normal when it is that cold out. the cooler might also be plugged. if the tru cool doesnt work im thinking it is either the guage or the bypass valve that would be nice if i could install them inline. do you have any pics or writeups on how to do this
thanks
-justin
thanks
-justin
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Postmaster
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From: Utah County, UT
I don't have any pics, but here is what I did: disconnect the rubber return line from the cooler to the hard lines. Then took the outlet of the cooler, inserted the adapter that came with the kit, hooked it up to the after market cooler, other line from the cooler I just clamped onto the return hard line where I remove the stock rubber hose from. Made it a lot easier than trying to cut the hose and put inserts in. So this way I only used one adapter out of the kit. Also, I had to mount my cooler twice as the first time it looked good where it was at, but when I put the grill back on, the ford logo and runners covered a majority of the cooler. So I put it lower as to get the most airflow possible.
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From: Utah County, UT
If/when you remove the front grill, there are two pillars that go top to bottom behind it. The pillars and frame work there of are made of fiber glass or the like, I drilled and mounted the cooler there. So it is infront of the ac cooler.
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From: Utah County, UT
From underneath the truck there are two rubber lines that connect the hardlines from the transmission to the stock cooler. I traced the back line of the two, which is the return, pulled the hose off that line, ran it towards the front, put the coupler in to make it reach the far side of the Trucool, then the second section reached the hard line from where I mounted it. If you'd like, tomorrow I will go out and snap a picture real quick.
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Senior User
Joined: Oct 2005
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From: Mukwonago, WI
thanks that would help alot. i would love to run them inline but i have a feeling that my stock cooler is partially plugged the truck has almost 200k on it and i wouldnt get the full benefit of the tru cool. i dont do any really heavy towing so im not sure i even need them inline but the cooler the better.
thanks cangim
thanks cangim
Postmaster
Joined: Nov 2003
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From: Utah County, UT
Just sent you a PM, I also updated pictures in my gallery. If you want I can still email them to you, be about 5 pics, somewhere in the neighborhood of 4.5Meg
Last edited by cangim; Dec 27, 2005 at 10:50 AM.
Thread Starter
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Senior User
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From: Mukwonago, WI
thanks for the pics so you just ran the return from the stock to the inlet of the tru cool then hooked the return of the tru cool to the line returning to the tranny? how did you mount it in front of the ac cooler?
Thanks
Thanks